Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 150mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke150 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100
The AirTAC SAIJ80X150-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a substantial 2513N push force at 0.5MPa (4523N at 0.9MPa), paired with a 25mm carbon steel rod and G3/8 PT ports. The integrated adjustment screw allows you to dial back the 150mm nominal stroke, creating a precise 50-150mm usable travel window without swapping out the entire unit.
This rear stopper is strictly a travel end-setter, not a locking mechanism, meaning the cylinder cannot hold a load without live air pressure. For load-holding requirements, consider the SAIL or BSAI variants. The extruded aluminum barrel includes dual sensor grooves, and mounting options cover Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×150 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100 Is Used
Product Changeovers
Quickly reconfigure the 50-150mm travel window during packaging line format changes to accommodate different carton sizes without replacing hardware.
End-Position Tuning
Fine-tune the exact retract distance during machine commissioning to perfect the seating pressure of 4523N at 0.9MPa without adding external stopper blocks.
Adjustable Ejection
Dial in the precise ejection length for varying part heights, using the rear screw to prevent over-travel while utilizing the 30-800mm/s speed range.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100 the Right Cylinder?
Choose this 80mm bore when you need higher thrust than the 63mm option (1559N at 0.5MPa) but want to avoid the larger footprint of a 100mm cylinder. The 100mm adjustment range is ideal for product changeovers on a packaging line, allowing you to reconfigure the 50-150mm travel window on the fly instead of installing fixed external stops. If your machine requires dead-stop positioning without continuous air, you will need an external pilot-operated check valve or a SAIL locking cylinder, as the SAIJ adjuster only tunes the end position. To match this ISO 15552 interchangeable cylinder, confirm the 150mm stroke, 100mm adjustment, G3/8 PT ports, and the absence of a magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-100 FAQ
At 0.5MPa, it provides 2513N of push force and 2268N of pull force. If you increase the pressure to 0.9MPa, the push force reaches 4523N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 150mm nominal stroke anywhere within a 50-150mm usable window. It sets the travel end but does not lock the load without live air.
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